426 Proposed Changes in the A. 0. U. Check-List. [oct. 



submits the following summary of changes and additions proposed 

 since the publication of the 1910 edition of the Check-List and 

 not considered in the Sixteenth Supplement/ exclusive of purely 

 nomenclatural cases which, as explained above, are disposed of by 

 the Subcommittee on Nomenclature. The list is probably incom- 

 plete but omissions can be added in subsequent publications.— Wit- 

 MER Stone, Acting Chairman Com. Classification and NomencJaiure. 



I. Additions to the Check-List. 



(a) Forms described as new, or rejected forms reestablished. 



Larus thayeri sp. nov. Ellesmere Land. Brooks, Bull. M. C. Z., LIX, 



No. 5, p. 373. 

 PufRnus pufRnus bermudse subsp. nov. Bermuda. Nichols and Mow- 

 bray, Auk, 1916, p. 195. 

 .ffistrelata cahow sp. nov. Bermuda. Nichols and Mowbray, Auk, 1916, 



p. 194. 

 Histrionicus histrionicus pacificus subsp. nov. Pacific coast. Brooks, 



Bull. M. C. Z., LIX, No. 5, p. 393. 

 Oidemia deglandi dixoni subsp. nov. Alaska. Brooks, Bull. M. C. Z., 



LIX, No. 5, p. 393. 

 Ardea herodias treganzai Court. 



" " sanctilucae Thayer and Bangs. 



" " hyperoncha subsp. nov. Pacific coast, Cal. 



" " oligista subsp. nov. Santa Barbara Isl. 



These four races recognized by Oberholser. Proc. U. S. Nat. Mus., 43, 

 pp. 531-559. 

 Colinus virginianus taylori subsp. nov. Yuma Co., Col. Lincoln, 



Proc. Biol. Soc. Wash., May 27, 1915, p. 103. 

 Lophortyx gambelli sanus subsp. nov. Olathe, Colo. Mearns, Proc. 



Biol. Soc. Wash., XXVII, p. 113. 

 Dendragapus obscurus flemingi subsp. nov. Yukon Terr. Taverner, 



Auk, 1914, p. 385. 

 Bonasa umbellus thayeri subsp. nov. Digby, N. S. Bangs, Auk, 1912, 



p. 378. . 

 Bonasa umbellus yukonensis subsp. nov. Yukon Terr. Grinnell, 



Condor, 1916, p. 166. 

 Lagopus leucurus altipetens Osgood, revived by Riley, Canad. Alpine 



Jour., 1912, p. 60. 

 Lagopus rupestris sanfordi subsp. nov. Tanaga Isl., Aleutian Chain. 



Bent, Smithson. Misc. Collns. 56, No. 30, p. 1. 

 Zenaidura macroura caurina subsp. nov. Oregon. Ridgway, Bds. 



N. and Mid. Amer., VII, p. 348. 



1 "The Auk,' 1912, pp. 380-387. 



